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Finding the Fourth Proportional to 93,952.17, 129,662.10 and 51,518.88

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Solution

The fourth proportional to 93,952.17, 129,662.10 and 51,518.88 is: 71,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,952.17 : 129,662.10 = 51,518.88 : x
  2. Step 2: Convert to fraction form
    93,952.17/129,662.10 = 51,518.88/x
  3. Step 3: Cross multiply
    93,952.17x = 129,662.10 × 51,518.88
  4. Step 4: Simplify right side
    93,952.17x = 6,680,046,170.45
  5. Step 5: Solve for x
    x = 6,680,046,170.45/93,952.17
  6. Step 6: Final answer
    x = 71,100.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.